Contact VFC

Phone: 1-877-243-8832
Business hours: 8:30-5
Fax: 1-877-329-9832

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Frequently Asked Questions

Monitoring Temperature

Monitor temperatures carefully!

  • Freeze MMR, MMRV, and Varicella at 5º F or below.
    Aim for 0º F to keep temperatures from getting too warm.
  • Refrigerate all other vaccines at 35º F – 46º F.
    Aim for 40º F to keep temperatures from getting too warm or cold.

Use certified thermometers in accordance with National Institute of Standards and Technology (NIST). If your thermometer uses batteries, replace them every 6 months.

Check and record refrigerator and freezer temperatures twice a day, first thing in the morning and last thing at the close of business.

Use Storage & Handling Job Aids to assist with monitoring and recording temperatures.

Call VFC about any problems!

If you have any problems with your refrigerator or freezer, keep the refrigerator and freezer doors shut and notify the VFC Program at (877) 243-8832 or your VFC Field Representative.